Merge pull request #1453 from xiaobo55x:cpuid

PiperOrigin-RevId: 294257911

1 files changed, 55 insertions, 0 deletions

diff --git a/pkg/cpuid/cpuid_arm64_test.go b/pkg/cpuid/cpuid_arm64_test.go
new file mode 100644
index 000000000..a34f67779
--- /dev/null
+++ b/pkg/cpuid/cpuid_arm64_test.go
@@ -0,0 +1,55 @@
+// Copyright 2020 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// +build arm64
+
+package cpuid
+
+import (
+	"testing"
+)
+
+var justFP = &FeatureSet{
+	Set: map[Feature]bool{
+		ARM64FeatureFP: true,
+	}}
+
+func TestHostFeatureSet(t *testing.T) {
+	hostFeatures := HostFeatureSet()
+	if len(hostFeatures.Set) == 0 {
+		t.Errorf("Got invalid feature set %v from HostFeatureSet()", hostFeatures)
+	}
+}
+
+func TestHasFeature(t *testing.T) {
+	if !justFP.HasFeature(ARM64FeatureFP) {
+		t.Errorf("HasFeature failed, %v should contain %v", justFP, ARM64FeatureFP)
+	}
+
+	if justFP.HasFeature(ARM64FeatureSM3) {
+		t.Errorf("HasFeature failed, %v should not contain %v", justFP, ARM64FeatureSM3)
+	}
+}
+
+func TestFeatureFromString(t *testing.T) {
+	f, ok := FeatureFromString("asimd")
+	if f != ARM64FeatureASIMD || !ok {
+		t.Errorf("got %v want asimd", f)
+	}
+
+	f, ok = FeatureFromString("bad")
+	if ok {
+		t.Errorf("got %v want nothing", f)
+	}
+}